Question

Determine Tres Soluções para cada equação: 7x-4y=14

Answer 1

Resp.:
(x;y)

(32/7 ; 2)
(18/7; 1)
(1; - 7/4)
(2;0)
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y = 2
7x - 4y = 14
7x - 4.2 = 14
7x - 18 = 14
7x = 14 + 18
7x = 32
x = 32/7
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y = 1
7x - 4y = 14
7x - 4.1 = 14
7x - 4 = 14
7x = 14 + 4
7x = 18
x = 18/7
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x = 1
7x - 4y = 14
7.1 - 4y = 14
7 - 14 = 4y
- 7 = 4y
4y = - 7
y = - 7/4
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y = 0
7x - 4y = 14
7x - 4.0 = 14
7x = 14
x = 14/7
x = 2
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x = 2
7x - 4y = 14
7.2 - 4y = 14
14 - 4y = 14
14 - 14 = 4y
0 = 4y
4y = 0
y = 0/4
y = 0
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